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Product Details

Product Information

A digital immersion heater timer for hard-wired appliances. It's ideal for letting you control hard-wired appliances such as immersion heaters, so that they automatically switch off after a set period of time.

Guarantee - 1 year

Features and Benefits

Up to 10 programs with a possible selection of 16 different day or block days

Take control of your home's hot water to keep bills down.

Up to 10 programs with a possible selection of 16 different day or block days

Technical Specifications

Technical specification of B&Q 7 Day Digital Immersion Heater Timer

Brand

B&Q

Colour

White

Height (mm)

120mm

Width (mm)

75mm

Depth (mm)

50mm

Weight (g)

200g

Voltage

240V

Standard

BS EN 60730

Amp rating

13A

Help & Advice

How to guides

There are some tell-tale signs that your system is out of date and unsafe to work on (old-style rubber-sheathed cable, for example). But even if you live in a modern house with an electrical system that's been professionally checked and approved in the past ten years, things can still go wrong. So make sure it's safe before you begin work.

Rated 5 out of
5 by
DIY Ham fisted Pensioner from
Faultless installation & ServiceBought this a month ago and was concerned about some of the poor reviews, I found it so simple to install & set up the timers and it has performed faultless. Really impressed with it and would highly recommend it to anyone.

Date published: 2017-11-14

Rated 4 out of
5 by
eprice01 from
Reliable But Boost Function is FiddlyI have been using this for over a year now with no issues. Yes the installation is a bit fiddly but my only real issue is the boost/advance function which isn't easy to locate unless you have already had a good look before and remember exactly what button it is. My wife has insist I replace it with a product that has an easy to find boost and I have sourced a well reviewed product elsewhere.

Date published: 2018-04-13

Rated 3 out of
5 by
Elf1368 from
OK while it workedHad the inconvenience of a failed timer switch on New Year's Day, bought one of these as B&Q were only store locally that was open.
6 days to the day it's failed already. It's no longer passing power through to the immersion heating element.
I concur with other reviews, it has no provision for the earth wires, I had to connect these using a terminal block, the holes for the neutral and live wires are too small and making it fiddly at best to connect it.
That said I like the timer features, my old mechanical switch was inflexible in the timing features, this one at least allows up to six different programs if needed just a shame it hasn't lasted me a week.
So spent my evening proving the fault with the switch and installing a bypass so I can at least turn on my heater to get hot water, switch is going back tomorrow, now I'm going to give another one a go unless B&Q offer a better quality branded switch I can upgrade to. But if not ad I replace it if it fails again I'm going to shop elsewhere for another one.

Date published: 2017-01-07

Rated 3 out of
5 by
PeterL59 from
A timer that won't fail to disappoint.I really don't know how to begin to describe my experiences with this product. A few things prospective buyers should note which aren't described in the product information are:
The screw terminals for wiring-in the device do not include provision for passing-through an earth, and the only neutral terminal is a snug fit for neutral in/out wires.
The timer does not feature "permanently-on" or "permanently-off" overrides so you may need to install an additional switch if you require this functionality.
There's nothing more that I can add.

Date published: 2016-12-17

Rated 3 out of
5 by
BazorJoe from
InstallationI bought this timer to replace a timer which I had for a number of years. On installing the timer I was surprised to fin that there was was no place to fit the earth wire, (my boiler is rather old) and at the point where the neutral connection was it was very difficult to fit two wires in the same hole. I was obviously not designed for .6mm cable.

Date published: 2016-11-01

Rated 2 out of
5 by
PompeyPaul from
Maybe for emergency use but not recommendedThe timer works & is relatively easy to install. However it has some basic design flaws. The LCD doesn't have back light so if you put this in a dark, airing cupboard you really, really struggle to see the digits on it. If you shine a torch on it, it's still very difficult to read.
Ours recently stopped working and it was only when I took it out I could clearly see the digits and the time was wrong on it.
If you need something, and this is to hand, then I'd probably go with it. Otherwise, spend the extra and go for something with a big display & light on it so you can read it clearly in dark airing cupboards.

Date published: 2018-01-21

Rated 2 out of
5 by
Doned from
Another triumph of designHaving to use a magnifying glass to see the tiny display made it a pig to set up. Then it came to a halt after a few months; power in, nothing out... re-set then re set up, nothing ! Re-mounted the old mechanical timer it replaced ( because it was making funny noises ) but at least it works.

Date published: 2017-10-17

Rated 1 out of
5 by
Al345 from
What a waste of timeWish I had read reviews first, wired in by an electrician, failed on day 2, this will now cost me time and money to replace. What a piece of junk.